welding joint

例句：

1. 1. The welding process is critical to the structural integrity of the bridge.
   焊接过程对桥梁的结构完整性至关重要。
2. 2.The engineer carefully inspected each welding joint for any signs of weakness.
   工程师仔细检查了每个焊接接头，寻找任何弱点的迹象。
3. 3. The welding joints were made using a specialized torch and shield.
   焊接接头是用一种特殊的焊枪和防护罩制成的。